Cloudy with a Chance of Meatballs - On the title card, there was a living roasted chicken being hit by Timmy; This is likely a reference to the scene where Flint, Sam and Brent fight roasted chickens.

Alien - When the casserole grabs on to Timmy's face, Mr. Turner says "I'll get that off before it lays eggs in your brain" which makes a clearly reference to whereas when the titular alien laid eggs on a person's chest.

Goofs

You can easily see the Mexican flag doesn't have a seal on it and it looks more like the flag of Italy.

When Poof is a timer, his lashes are missing,

Running Gag

Someone frolicking across the sausage field, and saying "I feel so greasy!".